Group random names

var names = ["Gabe", "Morgan", "Aaron", "Josh", "Ben", "Miriam", "Evan", "Steve", "Dan", "Ben", "DanTwo", "Mike", "Andrea", "Tyson", "Melissa", "Jessie"];
function randomPerson(randomItem) {
return randomItem[Math.floor(Math.random() * randomItem.length)];
}
function groupTeams(names, randomNumber) {
var arrayOfTeams = [];
var team = [];
var randomPersonVariable = '';
while (names.length > 0) {
for (var i = 0; team.length < randomNumber; i++) {
randomPersonVariable = randomPerson(names);
if (randomPersonVariable === undefined) {
break;
}
team.push(randomPersonVariable);
names.splice(names.indexOf(randomPersonVariable), 1);
}
arrayOfTeams.push(team);
team = [];
}
console.log(arrayOfTeams);
}
groupTeams(names, 4);